South Australia has moved to close its border to the ACT, Queensland, Northern Territory and Western Australia amid increasing concern of community spread of COVID-19 in various parts of the country.
The state’s border was already closed to New South Wales, while travellers from Victoria need to continue being tested on arrival.
Tasmania is now the only Australian state or territory that can freely travel to South Australia.
The decision announced on Sunday afternoon is effective immediately.
It comes after Victoria moved to declare the ACT an ‘orange’ zone overnight, introducing testing and isolation requirements for travellers entering the state from Canberra.
New Zealand also temporarily suspended the travel bubble with each Australian state and territory on Saturday.